1. Ecotoxicology
and Wildlife Health Division, Environment Canada, National Wildlife
Research Centre, Carleton University, Ottawa, Ontario K1A 0H3, Canada
2. Department
of Chemistry, Carleton University, Ottawa, Ontario K1S 5B6, Canada
3. Cooperative Wildlife
Research Laboratory and Department of Zoology, Southern Illinois University Carbondale, Carbondale, Illinois 62901, U.S.A.
4. Ecotoxicology and
Wildlife Health Division, Environment Canada, Burlington, Ontario L7R
4A6, Canada
5. Ecotoxicology
and Wildlife Health Division, Environment Canada, Mount Pearl, Newfoundland and Labrador A1N 4T3, Canada
6. Ecotoxicology
and Wildlife Health Division, Environment Canada, Québec City, Québec G1J 0C3, Canada
7. Ecotoxicology
and Wildlife Health Division, Environment Canada, Pacific Wildlife
Research Centre, Delta, British
Columbia V4K 3Y3, Canada
8. Ecotoxicology
and Wildlife Health Division, Environment Canada, Saskatoon, Saskatchewan S7N 0X4, Canada